<p> Leader: Steven F. Life History Course: Bio 312 Supplemental Instruction Instructor: Dr. Jurik, Dr. Russel Iowa State University Date: 11/4/2016</p><p>Group 1</p><p>What is Life History, or Life History Strategy?</p><p>What is meant by the fact that life history strategies are made up of decisions or events that affect fitness? What are some examples of those events? </p><p>What does it mean when there are trade-offs between life history traits? What are these major trade- offs (there are 5)?</p><p>What was Grime’s proposition as to the two pressures experienced by plants (what were those pressures)? How do these relate to the three types of plant histories?</p><p>Group 2</p><p>What are some of the major characteristics related to life histories (explain or give examples of them)? </p><p>What are some reasons why modes of reproduction are considered basic life history traits? </p><p>What is the Principle of Allocation? How does it relate, for example, to offspring size, and offspring number?</p><p>What is the relationship between organismal adult mortality rates and the age of reproductive maturity?</p><p>1060 Hixson-Lied Student Success Center v 515-294-6624 v [email protected] v http://www.si.iastate.edu Group 3</p><p>What is an organism’s reproductive effort?</p><p>What is the difference between semelparous and iteroparous organisms?</p><p>What is the relationship between seed size and seed number in plants? How does seed size relate to the relative advantage in either high disturbance, or highly hazardous, areas?</p><p>What are r and K selection? Compare/contrast the characteristics of both r selected and K selected individuals (compare their life history events). </p>